28531265

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5471}}^1$

素因数の和:5632

約数の個数: 16

約数和(自身を含む): 39398400

約数和(自身を除く): 10867135

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 5471, 27355, 38297, 191485, 815179, 4075895, 5706253, 28531265]

約数ペア:

[(1, 28531265), (5, 5706253), (7, 4075895), (35, 815179), (149, 191485), (745, 38297), (1043, 27355), (5215, 5471)]